Exercise vest



FIG. 1 is an isometric view of an exercise vest showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof showing my design.

The broken lines in the drawings illustrate portions of the exercise vest which form no part of the claimed design. 

CLAIM The ornamental design for an exercise vest, as shown and described. 